'use strict';
 const db = uniCloud.database();

exports.main = async (event, context) => {
  //event为客户端上传的参数
  // console.log('event : ' + event)
  const collection =  db.collection('tasks');

  let _id=event._id
  let  res=await collection.doc(_id).update({
	  is_finished:true
	});

  //返回数据给客户端
  return {status:2}
};
